Thermal springs are natural springs with water temperatures significantly higher than the surrounding environment, typically above 25 degrees Celsius.

The heat for thermal springs primarily comes from geothermal energy, which is the heat generated from the Earth's core and mantle.

Japan is renowned for its numerous thermal springs, with over 25,000 hot springs scattered across the country.

Thermal spring waters often contain high levels of sulfur compounds, which give them a distinct odor and contribute to their therapeutic properties.

The Romans were renowned for their elaborate bathhouses, known as thermae, which utilized thermal springs for bathing, relaxation, and therapeutic purposes.

Thermal spring waters are often sought for their pain-relieving properties, particularly for conditions like arthritis and rheumatism.

Silica is a mineral often found in thermal spring waters and is believed to promote skin rejuvenation and healing.

Balneotherapy is the term used for the therapeutic use of thermal spring waters through bathing or immersion.

Himachal Pradesh in northern India is renowned for its abundance of thermal springs, with notable ones like Manikaran and Vashisht.

Bathing in thermal spring waters can help reduce inflammation and alleviate pain associated with arthritis.

Hippocrates, the renowned ancient Greek physician, emphasized the therapeutic benefits of thermal springs and their use in treating various ailments.

Thermal spring waters can help reduce inflammation and alleviate symptoms associated with skin conditions like eczema and psoriasis.

Ladakh in northern India is known for its thermal springs with high sulfur content, such as the famous Yulchung Hot Springs.

Thermal spring waters can help improve lung function and alleviate symptoms associated with respiratory conditions like asthma and bronchitis.

Rajasthan in western India is known for its thermal springs with high mineral content, particularly calcium and magnesium.